Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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East Dubuque, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
815-554 A RCISILRIWMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 634      
815-554 0 DVNPIA80XUX  490J DISH WIRELESS, LLC 634   2023-06-19   
815-554 1 HMPNILXDAMD  495J STRATUS NETWORKS 634   2020-12-20   
815-554 2 RCISILRIX3X  224C ONVOY, LLC 634   2021-07-05   
815-554 3 RCISILRIX4X  506J TWILIO INTERNATIONAL, INC. 634   2021-08-31   
815-554 4 RCISILRIX3X  224C ONVOY, LLC 634   2021-04-05   
815-554 5 RCISILRIX3X  224C ONVOY, LLC 634   2020-04-29   
815-554 6 RCISILRIWMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 634   2010-04-15   
815-554 7 RCISILRIX0X  508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-12   
815-554 8 RCISILRIXMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 634   2022-01-14   
815-554 9 RCISILFP0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 634   2022-02-24   
815-747 A EDBQILXSDS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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